Politicians are arguing over the cause of the petrol shortages Related Stories Pakistan’s Prime Minister Nawaz Sharif has pulled out of the World Economic Forum (WEF) meeting in Switzerland to tackle nationwide fuel shortages. Petrol stations in most major cities closed temporarily last week, and drivers elsewhere face huge queues. Ministers blame a huge spike in demand for the shortage, but critics say it was caused by government incompetence. Mr Sharif held a crisis meeting earlier and promised to punish those causing the problems. It is the second year running that the prime minister has pulled out of the WEF in Davos. Last year he was forced to cancel the trip because of a Taliban attack. Opposition demonstrations Pakistan has faced intermittent fuel crises for years, and Mr Sharif promised during the 2013 election to resolve the issues. Opposition supporters say government incompetence is the real cause But last […]